[gnome-sudoku] SudokuPrinter: store a list instead of an array

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 264ae339f28a7bb3ffe04ceada86f8fe41413605
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Oct 5 12:56:58 2014 -0500

    SudokuPrinter: store a list instead of an array

 src/gnome-sudoku.vala   |    6 +++++-
 src/print-dialog.vala   |    2 +-
 src/sudoku-printer.vala |   10 +++++-----
 3 files changed, 11 insertions(+), 7 deletions(-)
---
diff --git a/src/gnome-sudoku.vala b/src/gnome-sudoku.vala
index 6e79522..cc6bfa3 100644
--- a/src/gnome-sudoku.vala
+++ b/src/gnome-sudoku.vala
@@ -468,8 +468,12 @@ public class Sudoku : Gtk.Application
             return;
         print_action.set_enabled (false);
         print_multiple_action.set_enabled (false);
-        var printer = new SudokuPrinter ({game.board.clone ()}, (Window) window);
+
+        var list = new Gee.ArrayList<SudokuBoard> ();
+        list.add (game.board.clone ());
+        var printer = new SudokuPrinter (list, (Window) window);
         printer.print_sudoku ();
+
         print_action.set_enabled (true);
         print_multiple_action.set_enabled (true);
     }
diff --git a/src/print-dialog.vala b/src/print-dialog.vala
index cb0e58e..aa588ba 100644
--- a/src/print-dialog.vala
+++ b/src/print-dialog.vala
@@ -129,7 +129,7 @@ once = true;
                 spinner.hide ();
                 sensitive = true;
 
-                var printer = new SudokuPrinter (boards, this);
+                var printer = new SudokuPrinter (new Gee.ArrayList<SudokuBoard>.wrap (boards), this);
                 if (printer.print_sudoku () == Gtk.PrintOperationResult.APPLY)
                 {
                     foreach (SudokuBoard board in boards)
diff --git a/src/sudoku-printer.vala b/src/sudoku-printer.vala
index d8aa4b6..dfc77b5 100644
--- a/src/sudoku-printer.vala
+++ b/src/sudoku-printer.vala
@@ -24,7 +24,7 @@ using Gdk;
 
 public class SudokuPrinter : GLib.Object {
 
-    private SudokuBoard[] boards;
+    private Gee.List<SudokuBoard> boards;
     private Gtk.Window window;
 
     private int margin;
@@ -51,12 +51,12 @@ public class SudokuPrinter : GLib.Object {
         return Gtk.PrintOperationResult.ERROR;
     }
 
-    public SudokuPrinter (SudokuBoard[] boards, Gtk.Window window)
+    public SudokuPrinter (Gee.List<SudokuBoard> boards, Gtk.Window window)
     {
         this.boards = boards;
         this.window = window;
         this.margin = 25;
-        this.n_sudokus = boards.length;
+        this.n_sudokus = boards.size;
 
         this.print_op = new Gtk.PrintOperation ();
         print_op.begin_print.connect (begin_print_cb);
@@ -81,8 +81,8 @@ public class SudokuPrinter : GLib.Object {
         var best_square_size = fit_squares_in_rectangle (width, height, margin);
 
         var start = page_nr * SUDOKUS_PER_PAGE;
-        var end = int.min ((start + SUDOKUS_PER_PAGE), boards.length);
-        SudokuBoard[] sudokus_on_page = boards[start : end];
+        var end = int.min ((start + SUDOKUS_PER_PAGE), boards.size);
+        Gee.List<SudokuBoard> sudokus_on_page = boards.slice (start, end);
 
         double left = (width - best_square_size) / 2;
         double top = margin;